package com.util;

public class CommonUtils {
	public static String toUtf8String(String s){ 
	     StringBuffer sb = new StringBuffer(); 
	       for (int i=0;i<s.length();i++){ 
	          char c = s.charAt(i); 
	          if (c >= 0 && c <= 255){sb.append(c);} 
	        else{ 
	        byte[] b; 
	         try { b = Character.toString(c).getBytes("utf-8");} 
	         catch (Exception ex) { 
	             System.out.println(ex); 
	                  b = new byte[0]; 
	         } 
	            for (int j = 0; j < b.length; j++) { 
	             int k = b[j]; 
	              if (k < 0) k += 256; 
	              sb.append("%" + Integer.toHexString(k).toUpperCase()); 
	              } 
	     } 
	  } 
	  return sb.toString(); 
	}
}
